Federal Agencies
- Centers for Disease Control and Prevention (CDC)
- CDC Health Topics A to Z
- CDC National Center for Environmental Health
- CDC National Center for Injury Prevention and Control
- CDC National Institute for Occupational Safety and Health
- Centers for Disease Control and Prevention, on Fluoride and Fluoridation
- Code of Federal Regulations
- Consumer Product Safety Commission
- FDA "Bad Bug Book"
- Federal Emergency Management Agency
- Federal Emergency Management Agency Tornado Guide
- National Earthquake Information Center
- Natural Resources Conservation Service
- Natural Resources Conservation Service - Indiana Office
- National Oceanic and Atmospheric Administration
- National Toxicology Program
- Occupational Safety and Health Administration
- U.S. Access Board - Americans With Disabilities Act Design Help
- U.S. Census Bureau
- U.S. Environmental Protection Agency
- U.S. Geological Survey
Indiana
State Agencies
- Indiana Department of Environmental Management
- Indiana Department of Natural Resources - Division of Water
- Indiana Family & Social Services Administration
- Indiana Geological Survey
- Indiana Registry of Soil Scientists
- Indiana Department of Homeland Security
- Indiana State Chemist
- Indiana State Fire Marshal
National Associations
- American Academy of Allergy, Asthma & Immunology
- American Correctional Association
- American Dental Association, on Fluoride and Fluoridation
- American Hospital Association
- American Industrial Hygiene Association
- American Lyme Disease Foundation, Inc.
- American Lung Association
- American Mosquito Control Association
- American Meteorological Society
- American School Health Association
- American Water Works Association
- Indoor Air Quality Association, Inc.
- National Center for Farm Worker Health
- National Environmental Health Association
- National Fire Protection Association
- National Ground Water Association
- National Head Lice Association
- National Onsite Wastewater Recycling Association
- National Pest Management Association
- National Rural Water Association
- National Society of Consulting Soil Scientists, Inc
- Soil Science Society of America
- Water Environment Federation
State Associations
- American Council of Engineering Companies of Indiana, Inc.
- Indiana Environmental Health Association
- Indiana Onsite Wastewater Professionals Association
- Indiana Section - American Water Works Association
- Indiana Society of Professional Land Surveyors
- Indiana Vector Control Association
- Indiana Water Environment Association
Institutes/Foundations
- American Institute of Architects
- American National Standards Institute
- American Society for Testing and Materials
- Hydraulic Institute
- International Code Council
- Manufactured Housing Institute
- National Institute of Building Sciences
- National Safety Council
Educational
- American Skin Association - Lice
- Chlorine Institute, Inc.
- Consortium of Institutes for Decentralized Wastewater Treatment
- Disaster Recovery Resources for Indiana
- Local Government Environmental Assistance Network
- National Drought Mitigation Center
- National Information Service for Earthquake Engineering
- Indiana University Department of Environmental Health and Safety